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Baxi Potterton G.C.No 47 393 21, G.C.No 47 393 22, G.C.No 47 393 23 - page 57

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Contents

Main 2 Natural Gas Building Regulations and the Benchmark Commissioning Checklist ISO 9001 FM 00866 Installer Notification Guidelines Legislation Codes of Practice - refer to the most recent version IMPORTANT - Installation, Commissioning, Service & Repair Safe Manual Handling 6 CONTENTS 1.0 Introduction 1.1 Description 1.2 Contents of Pack 2.0 General Layout 2.1 Layout 3.0 Appliance Operation 3.1 Central Heating Mode (Fig. 2) 3.2 Domestic Hot Water Mode (Fig. 3) 3.3 Frost Protection Mode 3.4 Pump Protection 4.0 Technical Data 4.1 Promax Combi 24, 28 & 33 SEDBUK Declaration Pump - Available Head SAP 2005 Seasonal Efficiency for all models is 91.1% 5.0 Dimensions and Fixings Dimensions 6.1 Information 6.2 Central Heating Circuit 6.3 Bypass 6.4 System Control 6.5 System Filling and Pressurising (Fig. 4) 6.6 Expansion Vessel (Central Heating only) 6.7 Pressure Relief Valve (Fig. 6) 6.8 Domestic Hot Water Circuit (Fig. 7) 6.9 Showers 6.10 Hard Water Areas 7.1 Location 7.2 Clearances (Figs. 8 & 9) 7.0 Site Requirement 7.3 Ventilation of Compartments 7.4 Gas Supply 7.5 Electrical Supply 7.6 Bath & Shower Rooms 7.7 Condensate Drain * Horizontal Flues This bend is equivalent to 1 metre Total equivalent length = A+B+C+2x90Bends B AC This bend is equivalent to 1 metre 8.1 Horizontal Flue Systems The total equivalent length for this example is = 6.5 metres. (ii) A C (i) 8.3 Flue Accessories Page 8.6 For Roof Terminals 8.7 Flue Dimensions 8.8 Flue Trim 8.9 Terminal Guard (Fig. 21) 8.10 Flue Deflector (Fig. 20) 9 .1 Plume Displacement Kit (Fig. 23) X Y 28/33 28/33 9.2 Determining Permissible Lengths 50mm 26 30mm 9.3 General Fitting Notes 9.3 General Fitting Notes (cont.) 30mm 70 10.1 Unpacking & Initial Preparation 10.2 Flushing 10.3 Fitting The Boiler 10.4 Fitting the Pressure Relief Discharge Pipe (Fig. 44) 10.5 Condensate Drain (see section 7.7) 10.6 Fitting The Flue 20mm Indicator line 10.6 Fitting the Flue (Cont) 10.7 Making The Electrical Connections 10.8 Preliminary Electrical Checks 11.0 Commissioning 11.1 Commissioning the Boiler 11.0 Commissioning 11.2 Check the Operational (Working) Gas Inlet Pressure x 2 12.0 Completion 12.1 Completion 13.0 Servicing 13 .1 Annual Servicing 13.2 Annual Servicing - Inspection 13.0 Servicing 13.2 Annual Servicing - Inspection (Cont) Electrode Position 101 7.5 1 14.1 Igniter (Fig. 76) 14.2 Spark and Sensing Electrodes (Fig. 77) 14.3 Fan (Fig. 79) 14.4 Venturi (Fig. 78) 14.5 Injector (Fig. 78) 14.6 Burner (Fig. 81) 14.7 Insulation (Fig. 82) 14.8 Flue/Heat Exchanger Thermostat Sensor (Fig. 83) 14.9 Water Pressure Sensor (Fig. 85) 14.10 Central Heating Temperature Sensor (NTC) (Fig. 84) 14.11 Safety Thermostat (Fig. 85) 14.12 DHW Temperature Sensor (NTC) (Fig. 85) 14.14 Pump - Head Only (Fig. 87) 14.15 Pump - Complete (Fig. 88) 14.16 Automatic Air Vent (Fig. 89) 14.17 Pressure Gauge (Figs. 90 & 91) 14.18 Hall Effect Sensor (Fig. 92) 14.19 Pressure Relief Valve (Fig. 93) 14.20 Plate Heat Exchanger (Fig. 94) 14.21 Diverter Valve - Motor Unit & Assembly (Fig. 95) 14.22 P.C.B. (Fig. 98) 14.23 Selector Switch (Fig. 98) 14.24 Gas Valve (Fig. 99) 14.25 Expansion Vessel (Fig. 101) 15.0 Setting the Gas Valve x 2 15.1 Setting the Gas Valve (CO2check) 16.0 Electrical Baxi Heating UK Ltd 2011 16.1 Illustrated Wiring Diagram Mains Input Cable Link 17.0 Short Parts List 18.1 Initial Fault Finding Checks 18.2 Error Codes Page Page Fault Finding Solutions Sections A B D C E F Electrode Position 7.5 1 H I K J L M Page Page Page Service Record Service Provider Service 1 Service 2 Service 3 Service 4 Service 5 Service 6